Anatomy & Physiology Chapter 12 Test Bank Questions 2025/2026 Updated

The __________ division carries signals to the smooth muscle in the large intestine. -
ANS-visceral motor
the ___ division tends to prepare the body for action. - ANS-sympathetic
what is another name for the autonomic nervous system? - ANS-visceral motor division
Nerves are __________ of the nervous system. - ANS-organs
Some __________ neurons are specialized to detect stimuli, whereas __________
neurons send signals to the effectors of the nervous system. - ANS-afferent and efferent
About 90% of the neurons in the nervous system are __________ neurons. - ANSinterneurons
what is the most common type of neuron? - ANS-multipolar
the term "nerve fiber" refers to a(n) ___. - ANS-axon
Most metabolic and regulatory functions in a neuron happen where? - ANS-neurosoma
Which glial cell is found wrapped around nerve fibers in the PNS? - ANS-Schwann cells
in which part of a neuron is the postsynaptic membrane usually found? - ANS-dendrite
what is the primary site on a neuron for receiving signals from other neurons? - ANS-the
dendrites
Which cells form myelin in the spinal cord? - ANS-oligodendrocytes
A myelin sheath is composed primarily of __________. - ANS-lipids
Conduction of a nerve impulse would be the fastest in which of the following? - ANS-A
large diameter myelinated fiber
in order to regenerate, a peripheral nerve fiber must have which of the following? - ANSThe soma and at least some neurilemma intact
which of the following ions has the greatest influence on the resting membrane
potential? - ANS-Potassium